64766728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7883}}^1$

素因数の和:7981

約数の個数: 32

約数和(自身を含む): 132451200

約数和(自身を除く): 67684472

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 7883, 8216, 15766, 31532, 63064, 102479, 204958, 409916, 622757, 819832, 1245514, 2491028, 4982056, 8095841, 16191682, 32383364, 64766728]

約数ペア:

[(1, 64766728), (2, 32383364), (4, 16191682), (8, 8095841), (13, 4982056), (26, 2491028), (52, 1245514), (79, 819832), (104, 622757), (158, 409916), (316, 204958), (632, 102479), (1027, 63064), (2054, 31532), (4108, 15766), (7883, 8216)]